At the National Bureau of Standards in Boulder, Colorado, John Milton targets a rolling graph paper with a mechanical pencil. The date on the paper is: "Jul 23 1968." The glass, metal, and rubber gasket cover is opened, and the surrounding metal...

Collection contains a portrait of a young, Hispanic male (ca. 1914). The young man is standing in a photographer's studio with his left hand resting on a draped column and his right leg crossed over his left. He wears a suit coat, tie, vest with...

Interior view of a lunch counter at the Home Public Market, in Denver, Colorado; shows a man, women including Ruth Handler [third from right], a neon sign, tile floor, a United States flag, and signs: "Coca Cola," "Watermelon on Ice," "Beer On...